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6 Internal
6.5 700 expanding
194
Operating instructions
05/10 MN05013003Z-EN
www.eaton.com
6.5.2 Transfer behavior
The input and output data of the expansion units is transferred serially in both
directions. Take into account the modified reaction times of the inputs and
outputs of the expansion units:
6.5.2.1 Input and output reaction times of expansion units
The debounce setting has no effect on the expansion unit.
Transfer times for input and output signals:
•
Central expansion
•
Time for inputs R1 to R12: 30 ms + 1 cycle time
•
Time for outputs S1 to S6 (S8): 15 ms + 1 cycle
•
Remote expansion
•
Time for inputs R1 to R12: 80 ms + 1 cycle time
•
Time for outputs S1 to S6 (S8): 40 ms + 1 cycle
6.5.3 Function monitoring of expansion units
If the power supply of the expansion unit is not present, no connection can
be established between it and basic unit. The expansion inputs R1 to R12,
R15, R16 are incorrectly processed in the basic unit and show status 0. It
cannot be assured that the outputs S1 to S8 are transferred to the expansion
unit.
The state of internal input I14 of the basic unit indicates the state of the
expansion device:
•
I14 = “0”: expansion unit is functional
•
I14 = “1”: expansion unit is not functional
DANGER
Ensure the continuous monitoring of easy expansion devices
in order to prevent switching faults in machines or systems.
→
When the power supply is switched on, basic units and
expansion devices may require different power up times to
reach full functionality. If the basic device is powered up faster,
the internal monitoring input I14 will have status I14 = "1“,
indicating that an expansion device is not functional.
Содержание easy500, easy700
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